Fixed a bug that source code is broken by autofix of require-prop-type-constructor. (#1009)

Author: ota-meshi

lib/rules/require-prop-type-constructor.js

@@ -35,14 +35,23 @@ module.exports = {
 
   create (context) {
     const fix = node => fixer => {
+      let newText
       if (node.type === 'Literal') {
-        return fixer.replaceText(node, node.value)
+        if (typeof node.value !== 'string') {
+          return undefined
+        }
+        newText = node.value
       } else if (
         node.type === 'TemplateLiteral' &&
         node.expressions.length === 0 &&
         node.quasis.length === 1
       ) {
-        return fixer.replaceText(node, node.quasis[0].value.cooked)
+        newText = node.quasis[0].value.cooked
+      } else {
+        return undefined
+      }
+      if (newText) {
+        return fixer.replaceText(node, newText)
       }
     }
 

tests/lib/rules/require-prop-type-constructor.js

@@ -17,7 +17,7 @@ const RuleTester = require('eslint').RuleTester
 
 const ruleTester = new RuleTester({
   parserOptions: {
-    ecmaVersion: 2018,
+    ecmaVersion: 2020,
     sourceType: 'module'
   }
 })
@@ -237,6 +237,109 @@ ruleTester.run('require-prop-type-constructor', rule, {
         line: 4
       }],
       parser: require.resolve('@typescript-eslint/parser')
+    },
+    {
+      filename: 'LiteralsComponent.vue',
+      code: `
+      export default {
+        props: {
+          str: 'String',
+          str2: 'a',
+          emptyStr: '',
+          number: 1000,
+          binumber: 0b10000000000000000000000000000000,
+          hexnumber: 0x123456789ABCDEF,
+          exp1: 1E3,
+          exp2: 2e6,
+          exp3: 0.1e2,
+          bigInt: 9007199254740991n,
+          boolean: true,
+          'null': null,
+          regex: /a/,
+          template: \`String\`,
+          emptyTemplate: \`\`,
+        }
+      }
+      `,
+      output: `
+      export default {
+        props: {
+          str: String,
+          str2: a,
+          emptyStr: '',
+          number: 1000,
+          binumber: 0b10000000000000000000000000000000,
+          hexnumber: 0x123456789ABCDEF,
+          exp1: 1E3,
+          exp2: 2e6,
+          exp3: 0.1e2,
+          bigInt: 9007199254740991n,
+          boolean: true,
+          'null': null,
+          regex: /a/,
+          template: String,
+          emptyTemplate: \`\`,
+        }
+      }
+      `,
+      errors: [
+        {
+          message: 'The "str" property should be a constructor.',
+          line: 4
+        },
+        {
+          message: 'The "str2" property should be a constructor.',
+          line: 5
+        },
+        {
+          message: 'The "emptyStr" property should be a constructor.',
+          line: 6
+        },
+        {
+          message: 'The "number" property should be a constructor.',
+          line: 7
+        },
+        {
+          message: 'The "binumber" property should be a constructor.',
+          line: 8
+        },
+        {
+          message: 'The "hexnumber" property should be a constructor.',
+          line: 9
+        },
+        {
+          message: 'The "exp1" property should be a constructor.',
+          line: 10
+        },
+        {
+          message: 'The "exp2" property should be a constructor.',
+          line: 11
+        },
+        {
+          message: 'The "exp3" property should be a constructor.',
+          line: 12
+        },
+        {
+          message: 'The "bigInt" property should be a constructor.',
+          line: 13
+        },
+        {
+          message: 'The "boolean" property should be a constructor.',
+          line: 14
+        },
+        {
+          message: 'The "regex" property should be a constructor.',
+          line: 16
+        },
+        {
+          message: 'The "template" property should be a constructor.',
+          line: 17
+        },
+        {
+          message: 'The "emptyTemplate" property should be a constructor.',
+          line: 18
+        }
+      ]
     }
   ]
 })